(19)

(11)

EP 2 748 371 A1

(12)

(43) Date of publication: 02.07.2014 Bulletin 2014/27 (21) Application number: 12798849.1 (22) Date of filing: 26.10.2012

(51) International Patent Classification (IPC):  D06F 75/10(2006.01) D06F 75/20(2006.01) D06F 75/12(2006.01) D06F 75/38(2006.01) (86) International application number: PCT/IB2012/055901 (87) International publication number: WO 2013/068870 (16.05.2013 Gazette 2013/20)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 08.11.2011 US 201161556989 P (71) Applicant: Koninklijke Philips N.V. 5656 AE Eindhoven (NL)	(72) Inventor: TACK, Johannes Willem NL-5656 AE Eindhoven (NL) (74) Representative: Coops, Peter  Philips Intellectual Property & Standards P.O. Box 220 5600 AE Eindhoven 5600 AE Eindhoven (NL)